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Underwear & Base Layer

Stay warm and dry this season with Hunting Underwear from Sportsman's Guide. Shop for Long Johns, Base Layers, Thermal Underwear for hunting and your other outdoor activities. Shop The Guide's selection for unbeatable deals from top brands such as Guide Gear, Carhartt, WSI, 5.11 Tactical, Under Armour and many more and save BIG!

5.11 Tactical® updated their thermal protection mock underwear for Fall, improving fit, fabric and the overall function of the garment. The French Terry knit underwear base layer has a textured face which traps the air generated from your body heat, keeping you warm in colder climates. The poly/nylon/ spandex blend is antimicrobial and wicks perspiration in higher aerobic activity which is critical in colder outdoor environments.

We've designed the Performance Winter Mock Underwear with a base layer fit and with 16% spandex it provides incredible flexibility and range of motion. Flat lock seams reduce chafing and provide the perfect thermal underwear base layer for wear under body armor. We've also re-engineered the cuff and neck fit which will not allow heated air to escape. Equally important the new neck fit will provide a clean, professional appearance and works well with all embroidery applications. You will discover The Performance Winter Mock is the ultimate piece of thermal protection equipment for operational use as well as hunting and other outdoor activities. Machine wash / dry underwear. Imported.

Hot stuff! These toasty Thermal Bottoms have rib-knit cuffs and an elastic waist so they stay in place when layering, and they keep the warmth where it belongs... on you! Machine wash / dry. Imported. 50/50 Cotton / Poly blend fabric.

Supremely insulating! Since 1914 Indera Mills® has been making top-quality clothing to embrace the American lifestyle. It's all about creating medium-activity garments to keep you warm, goose-bump free and comfortable in the cold and extreme cold.

Whether you're trekking through the woods in search for your trophy on a frosty day, ice fishing or working a long shift outside in the dead of winter... you'll feel just right all day long with this name brand stuff.